PT-2026-1551 · Tp Link · Archer Be400

Kari Hulkko · Published 2026-01-07 · Updated 2026-03-12 · CVE-2025-14631

Positive Technologies (AI Summary)

CVSS v4.0

7.1

High

Base vector

AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions TP-Link Archer BE400 version 1.1.0 Build 20250710 rel.14914

Description A flaw exists in the 802.11 modules of the TP-Link Archer BE400 that can lead to a denial-of-service (DoS) condition. An attacker in close proximity can trigger a device reboot by exploiting a NULL pointer dereference.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-14631

Affected Products

Archer Be400

References · 9

• https://osv.dev/vulnerability/CVE-2025-14631 · Vendor Advisory
• https://tp-link.com/en/support/download/archer-be400/v1/#Firmware · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-14631 · Security Note
• https://tp-link.com/us/support/faq/4871 · Vendor Advisory
• https://tp-link.com/us/support/download/archer-be400/#Firmware · Patch
• https://t.me/CVEtracker/41553 · Telegram Post
• https://twitter.com/ChrisShort/status/2012255968239743343 · Twitter Post
• https://t.me/cveNotify/155344 · Telegram Post
• https://twitter.com/CVEnew/status/2008771286764544317 · Twitter Post